RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4571 locations in the last 30 days (4740 reports) · Last sighting 14 hours ago

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What am I looking at?

Each circle is a Chicago neighborhood. The number is its report count — click one to zoom in and see individual sightings there.

32080fewer → more

Colors are relative to what’s currently on screen, so they adjust as you switch time ranges.

Zoomed into a neighborhood or zip? Same colors group nearby reports, and a bright dot means that exact spot’s been reported more than once.

Why Chicago keeps score on its rats

Chicago has topped national rankings of the rattiest U.S. cities for over a decade running — a reputation the city itself takes seriously enough to run one of the country’s most active 311 rodent-complaint programs. Every baiting request, burrow report, and complaint filed with the city becomes a public record. RatCity turns that record, plus reports from people who live here, into a map you can actually use: is this block bad? Is it getting worse? Which neighborhood is winning (or losing) the fight this month?

What’s actually on the map

Most of the data is Chicago’s own — every “Rodent Baiting/Rat Complaint” filed through 311, pulled in automatically once a day so the map never goes stale. Layered on top are sightings reported directly by visitors, matched to the same neighborhood and zip-code boundaries the city uses, so a resident’s report and an official 311 complaint carry equal weight on the map.

Reading the map

Circles are sized and colored by how many reports a neighborhood has racked up — blue is quiet, red means trouble. The Day / Week / 30 Days / Year toggle up top changes the window, so you can see whether a neighborhood’s rat problem is a one-week blip or a year-long trend. Whoever’s in the lead gets crowned the neighborhood Rat King in the sidebar, a title that changes hands as new reports come in.

Noticed a rat that isn’t on the map yet? Use “Report a sighting” above — it takes under a minute and goes live as soon as it’s reviewed. Curious about where the data actually comes from or how reports are moderated? See the About page for the full breakdown.

Want more? The blog has weekly trend recaps and guides on Chicago’s rat problem and how to keep it out of your home.

Browse every sighting

52,821 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
7/25/20255122 W BERWYN AVEJefferson Park45Completed7 daysInternetCity 311
7/25/20255523 S NORMANDY AVEGarfield Ridge13Completed7 daysPhone CallCity 311
7/25/2025633 W MELROSE STLake View44Completed11 daysMobile DeviceCity 311
7/25/20255028 W WEST WEST END AVEAustin28Completed7 daysPhone CallCity 311
7/25/20253718 N TROY STIrving Park33Completed13 daysMobile DeviceCity 311
7/25/202510959 S GEast Side10Completed9 daysInternetCity 311
7/25/20251533 N HAMLIN AVEHumboldt Park26Completed11 daysInternetCity 311
7/25/20254727 W PALMER STBelmont Cragin26Completed7 daysMobile DeviceCity 311
7/25/20253936 N CLIFTON AVELake View44Completed11 daysMobile DeviceCity 311
7/25/20254055 N MOODY AVEPortage Park38Completed7 daysInternetCity 311
7/25/20253320 N HAMILTON AVENorth Center32Completed9 daysMobile DeviceCity 311
7/25/20251424 W OLIVE AVEEdgewater48Completed10 daysMobile DeviceCity 311
7/25/20254417 W THOMAS STHumboldt Park37Completed7 daysMobile DeviceCity 311
7/26/20251034 W DIVERSEY AVELake View44Completed10 daysMobile DeviceCity 311
7/26/20252611 W 22ND PLSouth Lawndale25Completed6 daysInternetCity 311
7/26/20252515 W 110TH PLMorgan Park19Completed9 daysInternetCity 311
7/26/20258623 S TRIPP AVEAshburn18Completed9 daysMobile DeviceCity 311
7/26/20251244 S BLUE ISLAND AVENear West Side28Completed10 daysInternetCity 311
7/26/20253342 W 65TH PLChicago Lawn14Completed11 daysPhone CallCity 311
7/26/2025540 W DICKENS AVELincoln Park43Completed9 daysInternetCity 311
7/26/20257107 N MCALPIN AVEForest Glen45Completed9 daysInternetCity 311
7/26/20259955 S ESCANABA AVESouth Deering10Completed9 daysMobile DeviceCity 311
7/26/202555 N MENARD AVEAustin29Completed11 daysMobile DeviceCity 311
7/26/2025334 W 112TH STRoseland21Completed10 daysInternetCity 311
7/26/20254940 S MILLARD AVEWest Elsdon14Completed6 daysMobile DeviceCity 311
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